#include <Wire.h> #include <LiquidCrystal_I2C.h> // Set the LCD address (usually 0x27 or 0x3F) // You can find the correct address using an I2C scanner sketch #define I2C_ADDR 0x 27 // Define LCD size (rows and columns) #define LCD_ROWS 2 #define LCD_COLS 16 // Create an instance of the LCD class LiquidCrystal_I2C lcd (I2C_ADDR, LCD_COLS, LCD_ROWS) ; void setup () { // Initialize the LCD lcd . init (); // Turn on the backlight (optional) lcd . backlight (); // Print "Hello, World!" on the LCD lcd . print ( "Hello, World!" ); } void loop () { // Your main code can go here }
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